1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-18 15:05:09 +00:00
serenity/Userland/Applications/PixelPaint/BucketTool.cpp
Marcus Nilsson b6200a3ed8 PixelPaint: Add tooltips for sliders in ToolPropertiesWidget
This adds a tooltip to all the slider properties showing their
current value. Previously there was no indication of what
value they had. Also rename the SprayTool property 'thickness' to
'size' like BrushTool calls it.
2021-08-03 18:53:54 +02:00

116 lines
3.4 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "BucketTool.h"
#include "ImageEditor.h"
#include "Layer.h"
#include <AK/Queue.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Label.h>
#include <LibGUI/Painter.h>
#include <LibGUI/Slider.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Rect.h>
namespace PixelPaint {
BucketTool::BucketTool()
{
}
BucketTool::~BucketTool()
{
}
static float color_distance_squared(Gfx::Color const& lhs, Gfx::Color const& rhs)
{
int a = rhs.red() - lhs.red();
int b = rhs.green() - lhs.green();
int c = rhs.blue() - lhs.blue();
return (a * a + b * b + c * c) / (255.0f * 255.0f);
}
static void flood_fill(Gfx::Bitmap& bitmap, Gfx::IntPoint const& start_position, Color target_color, Color fill_color, int threshold)
{
VERIFY(bitmap.bpp() == 32);
if (target_color == fill_color)
return;
if (!bitmap.rect().contains(start_position))
return;
float threshold_normalized_squared = (threshold / 100.0f) * (threshold / 100.0f);
Queue<Gfx::IntPoint> queue;
queue.enqueue(start_position);
while (!queue.is_empty()) {
auto position = queue.dequeue();
auto pixel_color = bitmap.get_pixel<Gfx::StorageFormat::BGRA8888>(position.x(), position.y());
if (color_distance_squared(pixel_color, target_color) > threshold_normalized_squared)
continue;
bitmap.set_pixel<Gfx::StorageFormat::BGRA8888>(position.x(), position.y(), fill_color);
if (position.x() != 0)
queue.enqueue(position.translated(-1, 0));
if (position.x() != bitmap.width() - 1)
queue.enqueue(position.translated(1, 0));
if (position.y() != 0)
queue.enqueue(position.translated(0, -1));
if (position.y() != bitmap.height() - 1)
queue.enqueue(position.translated(0, 1));
}
}
void BucketTool::on_mousedown(Layer& layer, GUI::MouseEvent& event, GUI::MouseEvent&)
{
if (!layer.rect().contains(event.position()))
return;
GUI::Painter painter(layer.bitmap());
auto target_color = layer.bitmap().get_pixel(event.x(), event.y());
flood_fill(layer.bitmap(), event.position(), target_color, m_editor->color_for(event), m_threshold);
layer.did_modify_bitmap();
m_editor->did_complete_action();
}
GUI::Widget* BucketTool::get_properties_widget()
{
if (!m_properties_widget) {
m_properties_widget = GUI::Widget::construct();
m_properties_widget->set_layout<GUI::VerticalBoxLayout>();
auto& threshold_container = m_properties_widget->add<GUI::Widget>();
threshold_container.set_fixed_height(20);
threshold_container.set_layout<GUI::HorizontalBoxLayout>();
auto& threshold_label = threshold_container.add<GUI::Label>("Threshold:");
threshold_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
threshold_label.set_fixed_size(80, 20);
auto& threshold_slider = threshold_container.add<GUI::HorizontalSlider>();
threshold_slider.set_fixed_height(20);
threshold_slider.set_range(0, 100);
threshold_slider.set_value(m_threshold);
threshold_slider.set_tooltip(String::formatted("{}%", m_threshold));
threshold_slider.on_change = [&](int value) {
m_threshold = value;
threshold_slider.set_tooltip(String::formatted("{}%", value));
};
}
return m_properties_widget.ptr();
}
}